U.S. first lady Michelle Obama (R) congratulates singer Taylor Swift after presenting her with The Big Help award at Nickelodeon's 25th annual Kids' Choice Awards in Los Angeles, California March 31, 2012. The honor, bestowed on Obama two years earlier for her work with kids fitness and health, goes to a celebrity who has devoted time and energy to charitable causes. Swift was singled out for her work to stop bullying and for providing aid to tornado victims in the southern United States. [Photo/Agencies]

U.S. first lady Michelle Obama (R) congratulates singer Taylor Swift after presenting her with The Big Help award at Nickelodeon's 25th annual Kids' Choice Awards in Los Angeles, California March 31, 2012. The honor, bestowed on Obama two years earlier for her work with kids fitness and health, goes to a celebrity who has devoted time and energy to charitable causes. Swift was singled out for her work to stop bullying and for providing aid to tornado victims in the southern United States. [Photo/Agencies]